GGG vs TDY: Correlation
How closely do Graco Inc. (GGG) and Teledyne Technologies (TDY) trade together? Their weekly returns over three years give a correlation of 0.54, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GGG and TDY?
Over the past 3 years, GGG and TDY moved with a correlation of 0.54, which is moderate. The relationship has been stable: the 1-year correlation (0.55) sits close to the 3-year figure. Over 5 years the correlation is 0.58, and the annualized covariance of weekly returns is 227.8 %².
By 3-year correlation, TDY places #21 of the 26 assets tracked against GGG. The last year tells two different stories: TDY led by 22.9 percentage points, -7.2% for GGG against +15.7% for TDY.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
GGG vs TDY: side by side
| GGG (Graco Inc.) | TDY (Teledyne Technologies) | |
|---|---|---|
| 1-year return | -7.2% | +15.7% |
| 5-year return | +7.7% | +36.5% |
| Volatility (ann.) | 19.0% | 22.0% |
| Beta vs S&P 500 | 0.70 | 0.76 |
| Max drawdown (3Y) | -22.6% | -18.8% |
| Market cap | $12.9B | $29.0B |
| P/E (trailing) | 25.0 | 30.7 |
| Dividend yield | 1.46% | 0.00% |
| Sector / category | US Listed | Information Technology |
Year-by-year returns
| Year | GGG | TDY |
|---|---|---|
| 2022 | -15.5% | -8.5% |
| 2023 | +30.6% | +11.6% |
| 2024 | -1.7% | +4.0% |
| 2025 | -1.5% | +10.0% |
| 2026 | -1.8% | +22.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GGG and TDY good diversifiers for each other?
Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between GGG and TDY?
Using weekly returns as of 2026-08-27: 0.54 over 3 years, with 0.55 over the last year and 0.58 over 5 years.
Is TDY a good diversifier for GGG?
Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.54 mean?
On the −1 to +1 scale, 0.54 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ggg-vs-tdy.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ggg-vs-tdy/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: GGG correlations · TDY correlations
